{% if back is not defined  %}{% set back = 1 %}{% endif %}
{% if title is not defined  %}{% set title = '青州永通信息工程' %}{% endif %}
<div  id="header" style="z-index: 999;" class="pos-r">
    <div class="c13 tac fs12 flrc">
        {% if back == 1 %}
            <mu-button icon slot="left" @click="goback()">
                <span class="fa fa-angle-left"></span>
            </mu-button>
        {% endif %}
        <div class="flex1 tal pad10 tac">{{ title }}</div>
    </div>
</div>